/* UtilityHub — Dark Premium + Minimal Elegant shared styles */
:root{
  --bg:#0B1020;
  --bg2:#0E1530;
  --card:rgba(255,255,255,.045);
  --card-solid:#111A33;
  --border:rgba(255,255,255,.09);
  --text:#EAEFF7;
  --muted:#9AA6BB;
  --violet:#8B5CF6;
  --cyan:#22D3EE;
  --grad:linear-gradient(135deg,#8B5CF6 0%,#22D3EE 100%);
  --radius:16px;
  --serif:Georgia,'Times New Roman','Noto Serif',serif;
  --sans:system-ui,-apple-system,'Segoe UI',Roboto,'Noto Sans',sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.6;
  background:
    radial-gradient(900px 500px at 85% -5%,rgba(139,92,246,.14),transparent 60%),
    radial-gradient(700px 500px at -10% 30%,rgba(34,211,238,.08),transparent 60%),
    var(--bg);
  min-height:100vh;
}
h1,h2,h3,.serif{font-family:var(--serif);font-weight:600;letter-spacing:.2px;margin:0 0 .6em}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline}

/* ---------- layout ---------- */
.app{display:flex;min-height:100vh}
.sidebar{
  width:248px;position:fixed;top:0;bottom:0;left:0;z-index:60;
  background:rgba(11,17,34,.88);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-right:1px solid var(--border);padding:22px 14px;display:flex;flex-direction:column;gap:20px;
  transition:transform .32s ease;
}
.brand{display:flex;align-items:center;gap:10px;padding:2px 8px;font-family:var(--serif);font-size:1.35rem}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;flex:none;
  background:var(--grad);color:#0B1020;font-weight:800;font-family:var(--sans);font-size:1rem;
  box-shadow:0 0 18px rgba(139,92,246,.55);
}
.sidebar nav{display:flex;flex-direction:column;gap:4px}
.nav-link{
  display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:12px;color:var(--muted);
  font-size:.95rem;transition:background .2s,color .2s,box-shadow .2s;
}
.nav-link svg{width:20px;height:20px;flex:none;stroke:currentColor;fill:none;stroke-width:1.8}
.nav-link:hover{background:rgba(255,255,255,.06);color:var(--text);text-decoration:none}
.nav-link.active{background:rgba(139,92,246,.16);color:#fff;box-shadow:inset 0 0 0 1px rgba(139,92,246,.35)}
.sidebar-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px}
.main{margin-left:248px;flex:1;min-width:0;padding:0 clamp(16px,4vw,44px) 70px}
.topbar{
  position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;
  padding:14px 0;background:rgba(11,16,32,.72);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.topbar-actions{display:flex;align-items:center;gap:10px}
.hamburger{display:none;background:none;border:1px solid var(--border);border-radius:10px;color:var(--text);
  width:42px;height:42px;cursor:pointer;align-items:center;justify-content:center}
.hamburger svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:2}
.sidebar-scrim{display:none}

/* ---------- components ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:12px;border:1px solid var(--border);cursor:pointer;
  font-size:.95rem;font-weight:600;color:var(--text);background:rgba(255,255,255,.05);
  transition:transform .12s,box-shadow .25s,background .2s;
}
.btn:hover{background:rgba(255,255,255,.09);text-decoration:none}
.btn:active{transform:scale(.96)}
.btn-primary{background:var(--grad);border:none;color:#0A0F22;box-shadow:0 6px 24px rgba(139,92,246,.4)}
.btn-primary:hover{box-shadow:0 8px 32px rgba(34,211,238,.45);color:#0A0F22}
.btn-ghost{background:transparent}
.btn-sm{padding:7px 14px;font-size:.85rem;border-radius:10px}
.btn-danger{border-color:rgba(248,113,113,.5);color:#fca5a5}
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.card:hover{transform:translateY(-3px);border-color:rgba(139,92,246,.45);box-shadow:0 14px 40px rgba(139,92,246,.18)}
.glass{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.hero{padding:clamp(36px,7vw,84px) 0 30px;max-width:860px}
.hero-badge{
  display:inline-block;font-size:.78rem;letter-spacing:1.5px;text-transform:uppercase;color:var(--cyan);
  border:1px solid rgba(34,211,238,.35);border-radius:999px;padding:6px 14px;margin-bottom:18px;
  background:rgba(34,211,238,.07);
}
.hero h1{font-size:clamp(2rem,5.4vw,3.4rem);line-height:1.15}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);font-size:1.08rem;max-width:640px}
.hero-cta{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:18px;margin-top:26px}
.tool-card{display:flex;flex-direction:column;gap:10px}
.tool-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;flex:none;
  background:rgba(139,92,246,.14);border:1px solid rgba(139,92,246,.35);
}
.tool-icon svg{width:26px;height:26px;stroke:url(#uhGrad);stroke:currentColor;fill:none;stroke-width:1.7;color:var(--cyan)}
.tool-card h3{margin:0;font-size:1.15rem}
.tool-card p{margin:0;color:var(--muted);font-size:.93rem;flex:1}
.section-title{font-size:1.6rem;margin:34px 0 6px}
.section-sub{color:var(--muted);margin:0 0 18px}

/* forms */
.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:.86rem;color:var(--muted);margin-bottom:6px;font-weight:600}
.input,select.input,textarea.input{
  width:100%;padding:11px 13px;border-radius:11px;border:1px solid var(--border);
  background:rgba(255,255,255,.05);color:var(--text);font-size:.95rem;font-family:var(--sans);
}
.input:focus{outline:none;border-color:var(--violet);box-shadow:0 0 0 3px rgba(139,92,246,.22)}
textarea.input{resize:vertical;min-height:90px}
select.input option{background:#111A33}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}

/* tabs */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}
.tab{padding:9px 18px;border-radius:999px;border:1px solid var(--border);background:rgba(255,255,255,.04);
  color:var(--muted);cursor:pointer;font-size:.9rem;font-weight:600;transition:all .2s}
.tab.active{background:var(--grad);color:#0A0F22;border-color:transparent;box-shadow:0 4px 18px rgba(139,92,246,.4)}
.tab:hover{color:var(--text)}

/* tables */
.table{width:100%;border-collapse:collapse;font-size:.92rem;margin:14px 0}
.table th,.table td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:left}
.table th{color:var(--muted);font-weight:600;font-size:.82rem;text-transform:uppercase;letter-spacing:.6px}
.table tfoot td{font-weight:700;border-bottom:none}

/* misc */
.notice-banner{
  margin:16px 0 0;padding:14px 18px;border-radius:14px;border:1px solid rgba(34,211,238,.4);
  background:rgba(34,211,238,.08);display:flex;gap:12px;align-items:flex-start;
}
.notice-banner.hidden{display:none}
.notice-banner strong{display:block}
.notice-banner p{margin:2px 0 0;color:var(--muted);font-size:.92rem}
.alert{padding:12px 16px;border-radius:12px;margin:14px 0;font-size:.93rem}
.alert-warn{background:rgba(251,191,36,.1);border:1px solid rgba(251,191,36,.4);color:#fde68a}
.alert-info{background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.35);color:#a5f3fc}
.alert-error{background:rgba(248,113,113,.1);border:1px solid rgba(248,113,113,.4);color:#fca5a5}
.hidden{display:none!important}
.muted{color:var(--muted)}
.mt{margin-top:18px}
.center{text-align:center}
.avatar{
  width:38px;height:38px;border-radius:50%;background:var(--grad);color:#0A0F22;font-weight:800;
  display:grid;place-items:center;font-size:1rem;
}
.user-chip{display:flex;align-items:center;gap:10px}
.user-chip .uname{font-size:.9rem;max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
footer.site-foot{margin-top:56px;padding-top:22px;border-top:1px solid var(--border);color:var(--muted);font-size:.86rem;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.doc-paper{background:#fff;color:#1a1a1a;border-radius:8px;padding:40px;font-family:var(--serif);line-height:1.7}
.doc-paper h2{font-family:var(--serif)}
canvas.preview{max-width:100%;border-radius:12px;border:1px solid var(--border);background:#0E1530}

/* responsive */
@media(max-width:900px){
  .sidebar{transform:translateX(-105%)}
  .sidebar.open{transform:none;box-shadow:30px 0 60px rgba(0,0,0,.5)}
  .sidebar-scrim.show{display:block;position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:55}
  .main{margin-left:0}
  .hamburger{display:inline-flex}
  .form-row,.form-row3{grid-template-columns:1fr}
  .user-chip .uname{display:none}
}

/* print — for invoice / resume / legal PDF export */
@media print{
  .sidebar,.topbar,.no-print,.tabs,.hero-cta,footer.site-foot{display:none!important}
  .main{margin:0;padding:0}
  body{background:#fff;color:#000}
  .doc-paper{border-radius:0}
}